# 無機化学 vs ComiruAir

The clearest difference is review sentiment: 無機化学 at 98% against ComiruAir's 15%. 無機化学 also leads on update cadence (every 2 days vs every 3 months). ComiruAir's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

無機化学 ships an update every 2 days, ComiruAir every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 無機化学 | ComiruAir |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1351078183/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **98.1% of reviews** | 15.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | — | Free |
| Size | 40 MB | 70 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Touhara](https://appshunter.io/developer/1268738829) | [POPER Inc.](https://appshunter.io/developer/1219573109) |

## What reviewers say

### 無機化学

[App page](https://appshunter.io/ios/app/id1351078183)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ComiruAir

[App page](https://appshunter.io/ios/app/comiruair/id1507885328)

This app allows students and parents to easily participate in online lessons and watch educational videos. It connects users to live courses and a library of recorded video content for flexible learning.

**Highlights:** Live online lesson participation, Watch recorded video courses, Easy login with school credentials, Access anytime, anywhere, Prepare for and review lessons

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 無機化学 free?

無機化学 is free to download, with no in-app purchases.

### Is ComiruAir free?

ComiruAir is free to download, with no in-app purchases.

### Do 無機化学 or ComiruAir have ads?

Neither 無機化学 nor ComiruAir shows ads.

### Which is updated more often, 無機化学 or ComiruAir?

無機化学 ships an update every 2 days, and ComiruAir every 3 months. Most recently, 無機化学 was updated on October 29, 2026 and ComiruAir on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*